Feature 1 Ring Function: 24 different ring tones. Alarm clock. Handsfree and ringer volume adjustable. 2 Multifunction: Hands free speaker phone. calculator function. Predial function, correct and delete function. 3 Dual Ports: Double interface telephone design, can be used as the host or connected to extension or fax machine and other office equipment. 4 Superior Performance: 16 digits LCD display, Simple and convenient at a glance. Elliptical button design feel clear. FSK/DTMF compatible. 5 Call Function: Record 62(maximum) incoming and 16(maximum) outgoing Numbers(8 digits). caller ID. 6 Convenient to Use: Non slip pads reduce table friction. No need to install batteries to use, environmental protection and energy saving.Item Type:Material: ABSModel: KX - T2026CIDMain Functions: Call Display, Semi Hands Free, Battery Free, Extension Interface, 24 RingtonesSize: Approx. 210x160x95mm / 8.3x6.3x3.7in Package List1 x Telephone1 x Telephone Receiver1 x Telephone Lines 1 x Telephone Receiver Line Note1. Manual measurement allows for error.2. Telephone line color is random. 3. Do not need to install battery can be used, can be tapped to answer the use.